白振强,皮彦夫,曹瑞波,朱琦,王清华,宋文波,胡生香
BAI Zhenqiang,PI Yanfu,CAO Ruibo,ZHU Qi,WANG Qinghua,SONG Wenbo,HU Shengxiang

• 1:东北石油大学石油工程学院
• 2:中国石油大庆油田勘探开发研究院
• 3:国家能源陆相砂岩老油田持续开采研发中心

摘要(Abstract)：

中国砂岩油田大部分已经进入高含水和特高含水阶段，化学驱提高采收率技术应用规模逐年扩大。基于大庆油田化学驱精细地质研究现状，全面阐述其研究新进展、成果应用和面临问题。大庆油田经过近年的集中攻关研究，通过定量化精细描述厚油层内部构型空间展布和渗流遮挡作用，应用多层次分级描述技术，形成了不同化学驱开发阶段剩余油分布定量化描述方法，为化学驱后剩余油进一步挖潜提供基础；针对不同化学驱开发方式，建立微观剩余油定量化描述技术，明确了剩余油赋存状态及分布差异；厘清大庆长垣油田3种类型砂体分布模式和储层微构造特征的地质因素及与聚驱开发效果之间的关系。研究成果为大庆油田三次采油技术的持续发展及高效应用奠定基础。
Most sandstone oilfields in China have entered high water cut stage or ultra-high water cut stage, and the application scale of chemical flooding for enhanced oil recovery(EOR) has been expanding annually. Based on the current situation of fine geology research on chemical flooding in Daqing Oilfield, new research progress, achievements application and existing challenges are comprehensively described. In recent years, the spatial extention of internal architecture and flow shielding effect in thick oil layers are quantitatively and finely described through concentrated research in Daqing Oilfield. By using multi-levels hierarchical description technique, methods for quantitatively describing remaining oil distribution at different chemical-flooding development stages are developed, providing basis for further remaining oil potential tapping after chemical flooding. For different chemical flooding development methods, techniques for quantitatively describing microscopic remaining oil are established to clarify the occurrence and distribution differences of remaining oil, distribution patterns of 3 types of sand bodies, geological factors of reservoir micro-structural characteristics, as well as their relationship with polymer-flooding development effect in Daqing Placanticline oilfield. The research lays a foundation for the sustained development and efficient application of tertiary recovery technology in Daqing Oilfield.

关键词(KeyWords)： 精细地质;化学驱;剩余油分布;储层构型;剩余油挖潜;大庆油田
fine geology;chemical flooding;remaining oil distribution;reservoir architecture;remaining oil tapping;Daqing Oilfield

Abstract:

Keywords:

基金项目(Foundation): 中国石油天然气股份有限公司攻关应用性专项“中高渗油田特高含水期大幅度提高采收率技术研究”(2023ZZ22)

作者(Author): 白振强,皮彦夫,曹瑞波,朱琦,王清华,宋文波,胡生香
BAI Zhenqiang,PI Yanfu,CAO Ruibo,ZHU Qi,WANG Qinghua,SONG Wenbo,HU Shengxiang

DOI: 10.19597/J.ISSN.1000-3754.202504051

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